In the activity, a few hours of “disability” gave us only a taste of the _______ both physically and mentally the disabled people should overcome.
#12210
A
weakness
B
challenges
C
anxieties
D
illness
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They have produced    they did last year.
#14155
A
twice more grain as
B
twice as much grain as
C
twice as many grain as
D
as twice many grain as
In order to support his study, his brother can’t wait ______ money.
#12663
A
to earning
B
to earn
C
for earning
D
for earn